12547132632454 has 8 divisors (see below), whose sum is σ = 21509370227088. Its totient is φ = 5377342556760.

The previous prime is 12547132632451. The next prime is 12547132632487. The reversal of 12547132632454 is 45423623174521.

12547132632454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12547132632398 and 12547132632407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12547132632451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448111879717 + ... + 448111879744.

It is an arithmetic number, because the mean of its divisors is an integer number (2688671278386).

Almost surely, 2^{12547132632454} is an apocalyptic number.

12547132632454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12547132632454 is a deficient number, since it is larger than the sum of its proper divisors (8962237594634).

12547132632454 is an equidigital number, since it uses as much as digits as its factorization.

12547132632454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896223759470.

The product of its digits is 4838400, while the sum is 49.

The spelling of 12547132632454 in words is "twelve trillion, five hundred forty-seven billion, one hundred thirty-two million, six hundred thirty-two thousand, four hundred fifty-four".